Discontinued Operations and Assets Held for Sale (Summary of Balance Sheet Information of Assets and Liabilities) (Detail) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Jun. 30, 2020
Current assets:
Cash and cash equivalents	$ 104,040
Accounts receivable, net	60,494
Prepaid expenses and other current assets	6,750
Total current assets held for sale	171,284	$ 0	$ 0
Noncurrent assets:
Property and equipment, net	74,939
Operating lease assets	72,665
Deferred income taxes	5,346
Intangible assets, net	114,296
Goodwill	179,199
Other assets, net	12,108
Total noncurrent assets held for sale	458,553	0	0
Total assets held for sale	629,837
Current liabilities:
Accounts payable	2,936
Accrued payroll and benefits	13,273
Accrued liabilities	6,484
Deferred revenue	3,096
Current operating lease liabilities	10,905
Total current liabilities held for sale	36,694	0	0
Noncurrent liabilities:
Long-term operating lease liabilities	62,345
Deferred income taxes	3,929
Other liabilities	16,186
Total noncurrent liabilities held for sale	82,460	$ 0	$ 0
Total liabilities held for sale	$ 119,154